[INFO] cloning repository https://github.com/phynalle/civetcat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phynalle/civetcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50cb20371269df70927ab00be7ccf8b8ece2ef86 [INFO] checking phynalle/civetcat against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phynalle/civetcat on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phynalle/civetcat [INFO] finished tweaking git repo https://github.com/phynalle/civetcat [INFO] tweaked toml for git repo https://github.com/phynalle/civetcat written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/phynalle/civetcat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded onig v2.0.2 [INFO] [stderr] Downloaded clippy_lints v0.0.175 [INFO] [stderr] Downloaded clippy v0.0.175 [INFO] [stderr] Downloaded cmake v0.1.29 [INFO] [stderr] Downloaded os_pipe v0.6.0 [INFO] [stderr] Downloaded duct v0.9.2 [INFO] [stderr] Downloaded onig_sys v66.1.4 [INFO] [stderr] Downloaded shared_child v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bfe24a438f6be00c21ae05b413eb616c9f1231490761fc5d3f73e9da869d89a [INFO] running `Command { std: "docker" "start" "-a" "9bfe24a438f6be00c21ae05b413eb616c9f1231490761fc5d3f73e9da869d89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bfe24a438f6be00c21ae05b413eb616c9f1231490761fc5d3f73e9da869d89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bfe24a438f6be00c21ae05b413eb616c9f1231490761fc5d3f73e9da869d89a", kill_on_drop: false }` [INFO] [stdout] 9bfe24a438f6be00c21ae05b413eb616c9f1231490761fc5d3f73e9da869d89a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 209188a304b9e760991aca79fdc842ebe8d451f534547eb5c1c19dc11d067ec4 [INFO] running `Command { std: "docker" "start" "-a" "209188a304b9e760991aca79fdc842ebe8d451f534547eb5c1c19dc11d067ec4", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.3 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling onig_sys v66.1.4 [INFO] [stderr] Checking serde_json v1.0.8 [INFO] [stderr] Checking onig v2.0.2 [INFO] [stderr] Compiling civetcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `to_weak` [INFO] [stdout] --> src/syntax/raw_rule.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_weak(&self) -> WeakRawRuleRef { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `upgrade` [INFO] [stdout] --> src/syntax/raw_rule.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn upgrade(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `civetcat v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/civetcat-438e3e6a8121f7cd/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:139:51 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a8cb02a6d0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55a8cb02a6d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a8cb02a6d0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a8cb02a6d0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a8cb048f3c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55a8cb0290d5 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x55a8cb02c2fb - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a8cb02c2fb - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a8cb02c2fb - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55a8cb02bdd1 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55a8cb02c9c4 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55a8cb02c4a7 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55a8cb02abac - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a8cb02c409 - rust_begin_unwind [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55a8cafafea1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55a8cafaff93 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55a8cafcc52e - core::result::Result::unwrap::hc742a2f824dd1140 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55a8cb0027de - build_script_build::main::hb23c4554b2f9d253 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:139:17 [INFO] [stderr] 18: 0x55a8caffb2ab - core::ops::function::FnOnce::call_once::ha6aaee761e437705 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55a8caffe3be - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c8b042dc229ed11 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55a8cafd25b1 - std::rt::lang_start::{{closure}}::h0d17d75bfea956ed [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55a8cb02cec9 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55a8cb02cec9 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55a8cb02cec9 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55a8cb02cec9 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55a8cb02cec9 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55a8cafd2590 - std::rt::lang_start::hd0e104dec84b4c71 [INFO] [stderr] at /rustc/0a8629bff642c3c3b84bb644c0099194f063b627/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55a8cb0077ac - main [INFO] [stderr] 28: 0x7fcbf3e6d0b3 - __libc_start_main [INFO] [stderr] 29: 0x55a8cafb065e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "209188a304b9e760991aca79fdc842ebe8d451f534547eb5c1c19dc11d067ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "209188a304b9e760991aca79fdc842ebe8d451f534547eb5c1c19dc11d067ec4", kill_on_drop: false }` [INFO] [stdout] 209188a304b9e760991aca79fdc842ebe8d451f534547eb5c1c19dc11d067ec4